Table of Contents
July/August 2013

This special double issue of DISCOVER Magazine focuses on our invisible planet and the science we don't see. A foldout spread in the center gives you a panoramic view of life under the Antarctic ice. Meet Earth's unlikely hero, the mushroom man, and discover the future of nanobots and x-ray vision apps. Read about cancer's hidden history and solve baseball's most painful puzzle. Plus, explore the shadow galaxy and gravity's weird mysteries.

Stories from this issue will be published online over the course of June and July, so stay tuned and subscribe for early access.

The idea that cancer is a modern disease is a common misconception — one that the fossil record reveals to be untrue, as explained in this excerpt from The Cancer Chronicles: Unlocking Medicine's Deepest Mystery.